The Poop Emoji Dog Shirt displays the popular emoji graphic to bring out your dog's inner thoughts. This dog tank top features a sleeveless high-cut, stay-dry belly for the ultimate comfort and convenience. The soft knit is made of an easy-care 65% cotton, 35% polyester blend. Machine wash inside out, tumble dry low or lay flat to dry. X Small Back Length: 8" Chest: 11" (Most Important) Neck: 8" Pets Weighing: 0lbs.-3lbs. Small Back Length: 10" Chest: 13" (Most Important) Neck: 9" Pets Weighing: 3lbs.-6lbs. Medium Back Length: 12" Chest: 16" (Most Important) Neck: 10" Pets Weighing: 6lbs.-10lbs. Large Back Length: 14" Chest: 18" (Most Important) Neck: 12" Pets Weighing: 10lbs.-14lbs. X Large Back Length: 16" Chest: 20" (Most Important) Neck: 13" Pets Weighing: 14lbs.-20lbs. 2X Large Back Length: 18" Chest: 22" (Most Important) Neck: 14" Pets Weighing: 20lbs.-25lbs. 3X Large Back Length: 20" Chest: 24" (Most Important) Neck: 18" Pets Weighing: 25lbs.-35lbs. 4X Large Back Length: 22" Chest: 28" (Most Important) Neck: 19" Pets Weighing: 30lbs.-45lbs. 5X Large Back Length: 24" Chest: 30.5" (Most Important) Neck: 21" Pets Weighing: 45lbs.-60lbs. 6X Large Back Length: 26" Chest: 33" (Most Important) Neck: 22.5" Pets Weighing: 60lbs.-115lbs.